Home / 18,147,686.40-27,221,529.60-11,429,222.40

Finding the Fourth Proportional to 18,147,686.40, 27,221,529.60 and 11,429,222.40

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Solution

The fourth proportional to 18,147,686.40, 27,221,529.60 and 11,429,222.40 is: 17,143,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147,686.40 : 27,221,529.60 = 11,429,222.40 : x
  2. Step 2: Convert to fraction form
    18,147,686.40/27,221,529.60 = 11,429,222.40/x
  3. Step 3: Cross multiply
    18,147,686.40x = 27,221,529.60 × 11,429,222.40
  4. Step 4: Simplify right side
    18,147,686.40x = 311,120,915,866,583.06
  5. Step 5: Solve for x
    x = 311,120,915,866,583.06/18,147,686.40
  6. Step 6: Final answer
    x = 17,143,833.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.